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Mastering Swift 3

You're reading from   Mastering Swift 3 Build incredible apps for iOS and OS X

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Product type Paperback
Published in Oct 2016
Publisher Packt
ISBN-13 9781786466129
Length 392 pages
Edition 1st Edition
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Author (1):
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Jon Hoffman Jon Hoffman
Author Profile Icon Jon Hoffman
Jon Hoffman
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Table of Contents (18) Chapters Close

Preface 1. Taking the First Steps with Swift FREE CHAPTER 2. Learning About Variables, Constants, Strings, and Operators 3. Using Swift Collections and the Tuple Type 4. Control Flow and Functions 5. Classes and Structures 6. Using Protocols and Protocol Extensions 7. Protocol-Oriented Design 8. Writing Safer Code with Availability and Error Handling 9. Custom Subscripting 10. Using Optional Types 11. Working with Generics 12. Working with Closures 13. Using Mix and Match 14. Concurrency and Parallelism in Swift 15. Swift Formatting and Style Guide 16. Swifts Core Libraries 17. Adopting Design Patterns in Swift

Chapter 13. Using Mix and Match

When Apple first introduced Swift at WWDC 2014, my first thought was how much work it would be for developers to rewrite their apps, which were already written in Objective-C, in Swift. A lot of these applications are pretty complex and would take a lot of effort to rewrite. Somewhere in the Swift presentation, Apple spoke about mix and match, which allows Swift and Objective-C to interact within the same project. Mix and match sure sounded like the ideal solution because developers could rewrite sections of their code in Swift as they needed to do updates, instead of having to rewrite their whole application. My big question was how well mix and match would actually work, because I definitely had my doubts. I must confess that I was very surprised. Not only did mix and match work as advertised, but it was also very easy to implement.

In this chapter, we will cover the following topics:

  • What is mix and match?
  • How to use Swift and Objective-C together...
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